Dust mask holder



FIG. 1 is an isometric view of a first embodiment of the dust mask holder;

FIG. 2 is a side elevational view thereof, showing in phantom lines a dust mask with which the present invention is used;

FIG. 3 is a top plan view thereof;

FIG. 4 is front elevational view, showing the dust mask in broken lines;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is isometric view of a second embodiment of the present invention;

FIG. 8 is a side elevational view thereof, showing in phantom lines a dust mask with which the present invention is used;

FIG. 9 is a top plan view thereof;

FIG. 10 is front elevational view, showing the dust mask in broken lines;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a bottom view thereof;

FIG. 13 is isometric view of a third embodiment of the present invention;

FIG. 14 is a side elevational view thereof, showing in phantom lines a dust mask with which the present invention is used;

FIG. 15 is a top plan view thereof;

FIG. 16 is front elevational view, showing the dust mask in broken lines;

FIG. 17 is a rear elevational view thereof;

FIG. 18 is a bottom view thereof;

FIG. 19 is isometric view of a fourth embodiment of the present invention;

FIG. 20 is a side elevational view thereof, showing in phantom lines a dust mask with which the present invention is used;

FIG. 21 is a top plan view thereof;

FIG. 22 is front elevational view, showing the dust mask in broken lines;

FIG. 23 is a rear elevational view thereof; and,

FIG. 24 is a bottom view thereof; 

The ornamental design for a dust mask holder, as shown and described. 